Workshop Technology MCQs

[A]. 30°-40°

[B]. 40°-50°

[C]. 50°-60°

[D]. 60°-70°

[A]. deliver molten metal into the mould cavity

[B]. act as a reservoir for the molten metal

[C]. feed the molten metal to the casting in order to compensate for the shrinkage

[D]. deliver the molten metal from pouring basin to gate

[A]. Drawing

[B]. Extrusion

[C]. Rolling

[D]. Extrusion and rolling

[A]. lower critical temperature

[B]. upper critical temperature

[C]. eutectic temperature

[D]. recrystallisation temperature

[A]. core is made of sand

[B]. core is made of ferrous metal

[C]. core is made of non-ferrous metal

[D]. no core is used

[A]. small castings

[B]. large castings

[C]. complicated castings

[D]. large scale production of castings

[A]. Correct

[B]. Incorrect

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[A]. push saw

[B]. pull saw or draw saw

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[A]. press load is reduced

[B]. good cut edge is obtained

[C]. warping of sheet is minimised

[D]. cut blanks are straight

collapsibility

permeability

cohesiveness

adhesiveness